Home / 229,748.72-317,034.84-127,774.37

Finding the Fourth Proportional to 229,748.72, 317,034.84 and 127,774.37

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Solution

The fourth proportional to 229,748.72, 317,034.84 and 127,774.37 is: 176,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,748.72 : 317,034.84 = 127,774.37 : x
  2. Step 2: Convert to fraction form
    229,748.72/317,034.84 = 127,774.37/x
  3. Step 3: Cross multiply
    229,748.72x = 317,034.84 × 127,774.37
  4. Step 4: Simplify right side
    229,748.72x = 40,508,926,949.05
  5. Step 5: Solve for x
    x = 40,508,926,949.05/229,748.72
  6. Step 6: Final answer
    x = 176,318.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.